摘要
目的初步探讨宁夏川区中波紫外线(UVB)辐射的变化特征。方法利用2004年2月至7月在宁夏川区用UV-B紫外辐射计进行的中波紫外线辐射监测资料进行统计、分析。结果①宁夏川区UVB辐射具有夏季高、春季低的特点;②到达地面的太阳UVB辐射强度银南>银川>银北;③宁夏川区UVB辐射具有明显的日变化,中午高,早晚低,日最高值出现在午后13时左右;④太阳UVB辐射强度在夏季最高可达5.33W/m2。结论宁夏川区中波紫外线辐射呈明显的季节、日变化特征。
Objective To reveal the varied characteristics of ultraviolet B radiation in the plain region of Ningxia. Methods To collect the observational data of solar ultraviolet B radiation by UV irradiance meter from January to august in 2004. Results The radiant intensity of ultraviolet B radiation was seasonal. It was higher in summer and lower in spring. The radiant intensity of solar ultraviolet B radiation on the ground surface in Yinnan was the highest, and then was Yinchuan, Yinbei. Ultraviolet B radiation over Ningxia plain region presented a daily diversity. The top value appeared at 11am to 15pm. The maximum irradiance in summer was 5.33W/m^2. Conclusion Ultraviolet B radiation changes obviously daily and seasonally in plain region of Ningxia
出处
《宁夏医学院学报》
2005年第4期297-299,共3页
Journal of Ningxia Medical College
关键词
中波紫外线B辐射
辐射强度
宁夏
ultraviolet B radiation
radiant intensity
Ningxia
